The Truth About Boosting your Immune System

Discover the human body's most extraordinary structure: the immune system. Using groundbreaking science, this show reveals myths and key questions about our very own secret weapon. A complex fighting system powered by blood and lymph keeps us all alive. But how does it actually work? And can we improve it? It’s time to find out. In this perfectly-timed special, experts in the field reveal not only the basics of the immune system but fascinating new science – from why a massage can help your immune system to the previously misunderstood role of the gut.